Did you know Monarch butterflies shiver their wings to stay warm? When temperatures drop, these delicate pollinators vibrate their wings rapidly in a behavior called shivering. This tiny motion generates heat, helping Fantastic facts about butterflies: Everything you need to know, according to science BBC Science Focus Magazine Why Do Some Monarch Butterflies Have Crumpled Wings? Butterfly facts Insects & Arachnids BBC Earth BBC Earth The Science Behind Butterfly Vision And Body Temperature : Short Wave : NPR Beating the Heat in the Living Wings of Butterflies BNL Newsroom